Housing and speed reducer for a trailer jack



FIG. 1 is a rear elevation view of the housing and speed reducer for atrailer jack showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a side view as seen from the right of FIG. 1; and,

FIG. 6 is an opposite side view as seen from the left of FIG. 1.

The ornamental design for a housing and speed reducer for a trailerjack, as shown and described.